Current msn block list..
code:
\.pif
imp\.exe
bush-gracioso\.exe
album\.zip
photos\.zip
images\.zip
myalbum2007\.zip
img301\.zip
img1756\.zip
hoto234\.zip
pic\.zip
g038_jpg\.zip
secretimages56\.zip
love33\.zip
monica\.zip
img-0012\.zip
imag091307\.zip
pic1273\.zip
img-3773\.zip
img-6434\.zip
img-8197\.zip
img-0950\.zip
picts-7053\.zip
mypictures\.zip
image25\.zip
pics\.zip
foto\.exe
fantasma\.zip
impluse\.exe
downgrdr\.exe
photo656\.jpg
photo234\.zip
img021\.zip
tanyababe\.zip
stuff\.zip
fotos\.zip
tufoto
get-messenger
2nnvc7
blockinrio
messaging-names
pictura002
messenger-scan
summer2008
messengerdeletechecker
photoalbum2007
image029\.zip
foto_781\.zip
chirstmas-2007\.zip
photo2007-12\.zip
img5-2007\.zip
mypictures-0108\.zip
www\.ekastamonu\.info
www\.msn-friend\.com
www\.sontarih\.info
photos1-2008\.zip
happy2008\.exe
happy_2008\.exe
happy-2008\.exe
new_years_letter_flash\.exe
www\.msnliststatus\.com
www\.goldwindos2000\.com
www\.msnwebimages\.com
www\.mainmsn\.com
www\.burasiseninyerin\.info
mainmsn\.com
www\.emret\.info
www\.msnspy\.eu
mainmsn\.net
images\.idohost\.com
fmconsulting
msngallery\.ms\.funpic\.de
e-afyonkarahisar\.info
acisalavans\.info
acilastir\.info
amazonhalki\.info
ekars\.info
bireyci\.info
reuty\.info
portakallidavet\.info
amazondakayboldum\.info
dansadimi\.info
uysallik\.info
bezgi\.info
sulandirma
tunabaligi
yorungesel
tuhafkimse
acisalcap\.info
boyamagucu
tutuskanlik
acisalcap
msnprofiles\.ms\.funpic\.de
images\.getenjoyment\.net
mymsngallery
funpic\.de
image031\.zip
foto722a6
photo21\.zip
picture22\.zip
picturez923\.zip
photo_688-jpg\.zip
myphoto94\.zip
video\.exe
kuzen\.exe
mirc\.exe
backdoor:irc/flood\.cc
foto_027\.zip
foto708k6\.zip
msnblocklist\.com
msn-friend\.com
quienteadmite\.com
checkmessenger\.net
msnblockerlist\.com
msnliststatus\.com
friendly-offer\.com
sjegat\.pics\.skaq\.info
setup\.exe
hostileapplet
gsdagdfgasdgs2457452247\.exe
gsddas24587214gsd\.exe
foto-311_jpeg
image206\.jpg-www\.photoshare\[1]\.com
image206\.jpg
doesn't seem to be blocking youtube... though they could be server side blocking it